diff options
| -rw-r--r-- | README | 11 |
1 files changed, 6 insertions, 5 deletions
@@ -17,10 +17,10 @@ Most of QEMU's 500-700 ms startup time is spent: * in the BIOS. qboot saves another 150 ms. -* in fw_cfg. This is fixed by putting kernel and initrd in a CoreBoot cbfs - image, and doing a memory copy from NVDIMM or flash instead of using fw_cfg. - Right now only flash is supported. 350 ms are saved, bringing the startup - time down to 60 ms. +* in fw_cfg. qboot can use the new DMA interface to fw_cfg from QEMU 2.7+. + Alternatively, kernel and initrd can be put in a CoreBoot cbfs image + stored in flash. However, flash has a limit of 8 MB. In either case + 350 ms are saved, bringing the startup time down to 60 ms. Compile qboot ============= @@ -60,4 +60,5 @@ TODO ==== * SMBIOS tables -* Multiboot loading from pflash +* Add the possibility to configure out PIC and PCI bridge initialization +* Possibly drop cbfs support, superseded by fw_cfg DMA |